– April 11, 2022 – Avient Corporation, a premier provider of specialized and sustainable material solutions and services, will exhibit in person this week at Medical Design & Manufacturing (MD&M) West and highlight several technologies, including the recently launched Colorant Chromatics™ Transcend™ premier healthcare colorants and the online platform called Avient Now.   Avient Now is an online platform that provides customers 24/7 access to product and order information – all in one place. To access Avient’s news library online, please visit www.avient.com/news.

On this page you will find the online, condensed version of this guide, offering quick answers to your injection molding questions. 

On this page you will find the online, condensed version of this guide, offering quick answers to your injection molding questions. 

We know our customers are always looking to online sources to do their jobs better, find solutions faster, and stay on top of what’s next in their industry,” said Cathy K. To access PolyOne’s news library online, please go to www.polyone.com/news.

Wulfsohn 69 AVIENT CORPORATION [This page intentionally left blank] [This page intentionally left blank] [This page intentionally left blank] STOCK EXCHANGE LISTING Avient's Common Stock is listed on the New York Stock Exchange, Symbol: AVNT SHAREHOLDER INQUIRIES If you have any questions concerning your account as a shareholder, name or address changes, inquiries regarding stock certificates, or if you need tax information regarding your account, please contact our transfer agent: Equiniti Trust Company 1110 Centre Pointe Curve, Suite 101 Mendota Heights, MN 55120-4100 Phone: 1-855-598-2615 or 1-651-450-4064 www.shareowneronline.com Additional information about Avient, including current and historic copies of Annual Reports on Form 10-K and other reports filed with the Securities and Exchange Commission, is available online at www.avient.com or free of charge from: Investor Relations Avient Corporation 33587 Walker Road Avon Lake, Ohio 44012 Phone: 1-440-930-1000 ANNUAL MEETING The annual meeting of Avient will be held virtually via live webcast at 9:00 a.m. Shareholders will be able to attend and participate in the annual meeting online, vote shares electronically, and submit questions during the annual meeting by visiting www.virtualshareholdermeeting.com/AVNT2024.

NORTH AMERICA (Goods manufactured by Avient): Use the search boxes on the current page to use the online search for SDS for products manufactured by Avient. NORTH AMERICA (Goods manufactured by Avient): Use the search boxes on the current page to use the online search for SDS for products manufactured by Avient.

NORTH AMERICA (Goods manufactured by Avient): Use the search boxes on the current page to use the online search for SDS for products manufactured by Avient. NORTH AMERICA (Goods manufactured by Avient): Use the search boxes on the current page to use the online search for SDS for products manufactured by Avient.

NORTH AMERICA (Goods manufactured by Avient): Use the search boxes on the current page to use the online search for SDS for products manufactured by Avient. NORTH AMERICA (Goods manufactured by Avient): Use the search boxes on the current page to use the online search for SDS for products manufactured by Avient.

NORTH AMERICA (Goods manufactured by Avient): Use the search boxes on the current page to use the online search for SDS for products manufactured by Avient. NORTH AMERICA (Goods manufactured by Avient): Use the search boxes on the current page to use the online search for SDS for products manufactured by Avient.

NORTH AMERICA (Goods manufactured by Avient): Use the search boxes on the current page to use the online search for SDS for products manufactured by Avient. NORTH AMERICA (Goods manufactured by Avient): Use the search boxes on the current page to use the online search for SDS for products manufactured by Avient.